Ski-Doo 1978 Blizzard Operator's Manual

"_rIfIII'®

1978

OPERATOR

MANUAL

"""-""'ski-doa

snowmobll

••

Suggested retail price $2.50

(first copy

fr.

with unit purchaeed)

"Trademarks

of Bomberchr limited

Utho'd

in canada

414347&00

BLIZZARD

This vehicle has been designed for and should be used
on, oval race track only.

The performance of this snowmobile significantly ex-

ceeds that

of

other snowmobiles you may have oper-

ated. Therefore, use of this vehicle should be restricted

to experienced snowmobile racers.

•

WARNING:

The design of this snowmobile differs

considerably from most other snowmobiles. Main-

tenance and adjustment must be performed only by a

knowfedgeable mechanic. Always refer

to

operator

manual.

All

warranties on 1978 Blizzard Super Stock .either

expressed or implied including any implied warranty

of

merchantability and any implied warrantyoffitness

for
a particular purpose are hereby excluded and dis­claimed.

september 30th,

1m

BombarderUmited

Valcowt.

Quebec.

Canada

Recreational
Products

The following aretrademarksof Bombardier limited.
BOMBARDIER ELITE MOTO-SKI

SKI-DOO

EVEREST

FUTURA

ALPINE MIRAGE SPIRIT

BLIZZARD NORDIC NUVIK
CARRY BOOSE OLYMPIQUE SONIC
ELAN SKI-BOOSE

RV

T'NT

Text By:

TECHNICAL

INFORMATION

CENTRE

AFTER

SALES

SERVICE

OEPARTMENT

BOMBARDIER

LlMITEO

VALCOURT,

QUEBEC,

CANADA

All

nghts

r8SQrvedCBombardier limited 1977

FOREWORD

CONGRATULAnONS

This tough. sleek and fast racing vehicle is the result of

incomparable teamwork between Bombardier design­ers,engineers, technicians and

top

racing drivers. Con­sequently. this vehicle is designed and engineered with
safety, handling and comfort foremost. Realizing that

this vehicle has been purchased for racing only, this
manual has been prepared to acquaint the owner

I

operator with the various vehicle controls and owner­relatedmaintenanceinstructions.

This manual emphasizesparticular information denoted
by the wordingand symbols:

•

WARNING: Identifies an instruction which,

if

not

followed, could causepersonal injury.

...

CAUTION: Denotes an instruction which, if

not

9'

follovved, could severely damage vehicle compo-

nents.

O

NOTE: Indicates

supplementary

information

neededto fully complete an instruction.

All

the information, illustrations

and

component/ sys-

temdescriptionscontainedin this manual arecorrect

at

the timeofpublication. However, Bombardier

limited

reserves

the right to make changes in design and spe-

cifications, and / or to make additions to or improve-

ments in its products

without

imposing any obligations
upon itself to install them on its products previously
manufactured.

1

SAFETY

IN

MAINTENANCE

OII

••

rve

the

foIowII

..

preceudonc

• Throttle mechanism should be checked for free
movement before starting engine.

• Engine should be running only when pulley guard is
securedinplace.

• Never run engine without drive belt installed. Run-

ning an unloadedengine can prove to

be dangerous.

• Never run the engine at high R.P.M. when the

track

of the vehicleis raised

off

the ground.

• It can be dangerous to run engine

with

the cab re-

moved.

• Gasoline is flammable and explosive under certain
conditions. Always perform procedures in a well
ventilated area.

Do not smoke or allow open flames

or sparksin the vicinity.

If gasoline fumes are noticed

while driving, the cause should

be determined and

correctedwithoutdelay.

• Your snowmobile is not designed to

be operated on

public streets,roador highways.
Maintain your vehicle in top mechanical condition at

alltimes.

• Your snowmobile is not designed to

be driven or

operatedon black top, bare earth, or other abrasive
surfaces. On such surfaces abnormal and excessive

wearof criticalparts isinevitable.

• Only perform such procedures as detailed in this
manual.

It is recommended that dealer assistancebe
periodically obtained on other components / sys­tems not covered in this manual. Unless otherwise
specified,engine should be turned OFF for alilubri­cationandmaintenanceprocedures.

• Installation of other than

"stock"

equipment, in­cluding ski-spreaders bumpers, pack racks, etc.,
could

severely

affect the stability and safety of your

vehicle.Avoid "adding

on"

accessoriesthat alter the

basicvehicle configuration.

• The snowmobileengine can bestopped by activating
theemergency cut-out or tether switches.

• This

vehicle

is not designed nor intended to be used
for otherthan oval racing. Operating it for other use
thancompetition isillegal.

Please

read

and understand all other warnings con-

tainedelsewhere inthismanual.

THIS MANUAL SHOULD REMAIN

WITH THE

VEHICLE

AT

THE

nME

OFREIALE.

2

INDEX

CONTROLS/INSTRUMENTS

Throttle control lever, brake control lever, emergency
cut-out switch, tether cut-out switch, rewind starter

handle, choke, tachometer, temperature gauge, fuel
gauche,cab removal 3

BREAK"'N PERIOD 4
FUELMIXING

Recommendedgasoline, recommended oil, fuel mixture
ratio, fuel mixing procedure

4

PRE-STARTCHECK

Checkpoints

................................•

STARnNG

PROCEDURE

Ii

LUBRICAnGN

Frequency, pulley guard removal, drive belt removal,
steeringmechanism, chaincase oil level,hydraulic brake
oil level,rotary valvesystem, driven pulley

I

MAINTENANCE

Spark plug, suspension, track, suspensionadjustment,
track adjustment, drive chain tension, carburetor, drive
belt, drive pulley, steering mechanism. steering adjust­ment, cooling system, engine head nuts, engine mount
nuts, exhaust system, vehicle general inspection

. 7

TROUBLE

SHOOnNG

GUIDE 11

STORAGE

Suspension,skis, fuel tank, carburetors, cooling system,
drive pulley, chaincase, controls, chassis, general in-

spection . . . . . . . . . . . 17

SPE~FlCAnG~

1'

CONTROLS/INSTRUMENTS

AJ Throttle Control Lever

BJ Brake ControlLever

CJ

Emergency Cut-Out Switch

OJ

Tether Cut-Out Switch

EJ

RewindStarterHandle

FJ

Tachometer

GJ

Temperature Gauge

AI

Throttle

Control

Lev

..

located

on right side of handlebar. When compressed,

it controls the engine speed and the engagement

of

the
transmission. When released, engine speed returns au­tomatically to idle.

BI

Brake

Control

Lev

..

Mounted on left side of handlebar when applied acti­vates the hydraulic disc brake system binding the vehi­cle to a fast smooth stop.

C)

Emergency

Cut-Out

SwItch

A push button switch located on right side of handlebar.

To stop the engine in an emergency, press button down
into lower position.

Before re-starting engine always depress button into
released

upper position. Thedriver of this vehicle should

familiarize himself

with

the function of this device by
using it several times on first outing. Thereby being
mentally prepared for emergency situations requiring its
use.

•

WARNING: If the button has

been used in an

emergency situation the source of malfunction

should

be determined and corrected before restarting

engine.

D)

Teth.

Cut-Gut

~ch

A pull switch located on the right side of dash panel.

Attach tether cord to wrist or other convenient location
before starting engine then fully insert tether

cut

-out

cap on receptacle.

·0NOTE: The cap must be

used

at all

time

in order

to operate the vehicle.

If emergency engine

"shut

off"

is required,

"pull"

com-

pletely the cap from switch and engine power

will auto-

maticallybe

shut

"off"

.

•

WARNING:

If

the

switch is used in an emergency

situation

the sourceofmalfunction should be

de-

"""'ined

and corrected before restartingengine.

ElRewincl

.....

Auto rewind type located on the centerofvehicle. To

engage mechanism, pull handle.

FlTac:hom8t.

The tachometer registers the impulses

of

magneto.

Direct-reading dial indicates the number of revolutions

per minute

(RPM)

of

the engine.

..

C.AUTION:The tachometer is protectedbya fuse,

• if tachometer

stops

operating

check fuse condi-

tion

andifnecessary replace.

The

fuse is 0.1 amp. Do

not

use

a higher rated

fuse

as this can cause severe

damage to

the

tachometer.

G)

Tem

............

The gauge.indicates engine coolant temperature, Nor-
mal operating temperature is

00°

C (140° A

~

The
coolant temperature can vary depending on driving con­dition however it should never exceed

80° C080°

FL

•

WARNING:

Do

not

remove coolant tank' cap un-

less

pressure is released by pulling on

the

top

lever, loss of fluid and possible severe

bums

could

occur.

Choke

The carburetor levers are located on the right side of
each carburetor. To engage choke depress each lever.
To disengagelift levers.

oNOTE: Do not operate vehicle

with

chokeon.

Fuel

Gauge

To check fuel level, simply look through the translucent

tank.

•

WARNING: Never use a lite match or

open flame

to check fuel level.

C8bRemov"

For those procedures that require cab removal. unlock

side latches then remove cab from vehicle by sliding

it

forward.

•

WARNING: It is dangerous to run engine

with

cab

removed.

<

3

BREAK-IN

PERIOD

With

Bombardier-Rotax engines, a break-in period

of

6

to 10 operating hours is required before running the ve­hicle at full throttle. During this period, brief full throttle
accelerations and constant speed variation

will

contrib-

utetoa

good

break-in. Continued

wide

open

throttle

accelerations can be detrimental. Never let

your

engine

overheat.

..

CAUTION: Incorrectorlackofa break-in period

'9

will resultin engine horsepower loss.

FUEL MIXING

Oil must be added to the gasoline in pre-measured
amounts then

both

oil and gasoline shouldbethorough-

ly mixed together before fueling the tank.

Recommended

Guo'"

High octane gasoline must be used. Ex.: Aviation gaso­line

light

blue 100octaneorlight green

100-13:>

octane.

...

CAUTION: Never experiment

with

different

fuel

.".

or

fuel·

ratios. Never use

low

leadornon

leaded

gasoline, naphtha, methanol

or

similarproducts.

ReconwnendedOil

Use a 50 / 1 Blizzard snowmobile oil, this

typeofoil is

specially formulated to meet lubrication requirements

of

the high performance Bombardier-Rotax engine.
...

CAUTION: Useofother than recommended oil

.".

can resultin engine damage. .

Fuel Mixture Ratio

The importance of using the correct fuel mixture cannot
be overstressed. An incorrect fuel ratio results in serious

engine damage.

Recommended

fuel/oil

ratio is

20/

1.

Imperial Measures

2cans of 16oz Blizzard oil to 4 Imp. gals = 20 to 1

U.S. Measures

2 cans

of

12 oz Blizzardoil to 4 U.S. gals = 20to 1

O

NOTE: To facilitate fuel mixing, oil should be kept

at

room

temperature. .

Fuel

Mixing

Procedure

To mix the gasoline and oil always use a separate clean
container. Never mix directly in your snowmobile tank.
For best results, acquire

two

containers, either plastic or

metal.

Draw

from one until empty then use the second

one.

•

WARNING: Gasoline

is flammable and explosive

under certain

conditions.

Always

perform

proce-

dures in •

well

ventilated

....

Do

not

smoke or allow

open flames or sparks in

the

vicinity.Ifgasoline

fumes

4

are.noticed

while

driving, the cause should be

deter-

mined and corrected

without

delay. Never

add

fuel

while engine is running.

Avoid

ski

contact

with fuel

at

below

freezing temperatures.

1. Pour approximately

one

gallon

of

gasoline

into

a

clean

container,

2.

Add

full amount of oil.

3. Replace container gap and shake

the

container

thoroughly.

4.

Add

the remainderofthe qasoline,

5. Once again thoroughly agitate the container. Then

using a funnel

With a fine mesh

SCreen

to prevent the

entry of water and foreign particles, transfer

mix-

ture from container

into

the

snowmobile tenk,

O

NOTE:

When using pre-mixed fuel, always shake

. the container thoroughly as

the

oil has a tendency

to settle.

•

WARNING:

Never -rap

up'

gas

tank

before placing

the

vehicle in a

warm

area.Atcertain tempera-

tures, gasolinewill

expand

and

overflow.

PRE-START CHECK

CheckPoiints

• Activate the throttle control lever several times to
check that it operates easily and smoothly. The
throttle control lever must return to idle position
when released.

• Check

that

the skis and the track are not frozen to

the ground

or

snow surface and that steering oper-

ates freely.

• Activate the brake control lever and make sure the
brake fully applies before the brake control lever
touches the handlebar grip.

• Check coolant level.

liquid

should be up to the lower

portion at the top return hose. If additional coolant

is necessary, always use a 50/ 50 (50 parts of water

for

50parts of anti-freeze) solution. When entire sys-

tem hasto

be refilled, useasolution of 3 parts of anti-

freeze

for

2 parts of water. See coling system in

storage procedures.

•

WARNING: Before removing

the

cap always re-

leasethe pressure by lifting

the

lever incorporated

on the cap, loss

of

fluid and possibilityofsevere burns

could occur. .

Pressure release

and locking lever

Coolant

level

• Check fuel level.

• Verify that the path ahead of the vehicle is clear of
bystanders and obstacles.

•

WARNING: Only start your snowmobile once all
components

are

checked

and

functioning

property.

STARTING

PROCEDURE

1. Test

operation

of

throttlecon1ro11ever.

2. Engage choke by depressing each lever. To disen­gage choke simply

lift

the levers. The chokes should

always

be used far easier cold engine starts.

After

engine is warm, it is

not

necessaryto usechokewhen

starting. Do

not

operate vehicle

with

choke on.

3. Make sure that the tether cut-out cap is in position

and thatthe cord isattached to your body.

4. Grasp manual starter handle firmly and pull slowly
until a resistance is felt then pull vigorously. Slowly
releaserewind starter handle.

• WARNING:

Do

not

apply throttlewhile starting.

5. Check operation of emergency

cut

-out switch and

tether switch. Restartengine.

•

WARNING:

If

the

switch is

used

in an emergency

situation

the

sourceofmalfunction should be

de-

termined and corrected before restarting engine•

6. Allow the engine to warm before operating at full
throttle.

..

CAUTION: Since engine coolirig is in effect

only

...

when

the

vehicle is in motion,

it

is recommended

that

you do

not

allow

the

enginetoidle for more than

brief periods. Prolonged idling

may

cause engine dam-

age.

LUBRICATION

Frequency

As

with

any mechanical product routine maintenance

isnecessary.
The steering system and suspension must be lubricated

on a weekly basisor more often if the vehicle isoperated
in wet snow.

•

WARNING: Only perform such procedures as
detailed in this manual.

It

is recommended

that
dealer assistance be periodically obtained on other
components/ systems

not

covered in this manual.
Unless otherwise specified, engine should be turned
OFF

for

all lubrication and maintenance procedures.

PulleyGuard

Remov"

•

WARNING: Engine should

be running only when

pulleyguard is secured in place.

5